3 sentences

1. 整个经历是前所未有的。

   zhěng​gè jīng​lì shì qián​suǒ​wèi​yǒu de.

   The entire experience was unprecedented.

   Source: CCMatrix

2. 这在台湾是前所未有的。

   zhè zài tái​wān shì qián​suǒ​wèi​yǒu de.

   This is unprecedented in Taiwan.

   Source: CCMatrix

3. 这在埃及历史上是前所未有的。

   zhè zài āi​jí lì​shǐ​shang shì qián​suǒ​wèi​yǒu de.

   This is unprecedented in the history of Egypt.

   Source: CCMatrix